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2 years ago

Please answer this for me ✨✨

Mathematics

2 answers:

Galina-37 [17]2 years ago

7 0

Answer:

reflection

Step-by-step explanation:

Im just learned this so if I'm wrong, i'm sorry >.<

Tanya [424]2 years ago

4 0

Answer: rotation

Step-by-step explanation:

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Find the percent of decrease from 280 to 210. Round to the nearest tenth of a percent, if necessary.

Vlada [557]

To find the decreased percentage,here's what we can do:
$\frac{originl \: value - new \: value}{originl \: value} \times 100\%$

In this case,the eqaution would be:
$\frac{280 - 210}{280} \times 100\% \\ = \frac{70}{280} \times 100\% \\ = \frac{1}{4} \times 100\% \\ = 25\%$
Hope it helps!

5 0

2 years ago

A red blood cell is 0.000007 m in diameter. There are about 20,000,000,000,000 red blood cells in a 125 lb person. if all the re

AysviL [449]

Multiply 0.000007 (7x10ˆ2) by 20,000,000,000,000 (2x10ˆ13)
<span>The answer is 140,000,000 (1.4x10ˆ8) meters</span>

5 0

2 years ago

Suppose that the proportions of blood phenotypes in a particular population are as follows: A B AB O 0.48 0.13 0.03 0.36 Assumin

Serggg [28]

Answer:

P(O and O) =0.1296

P=0.3778

Step-by-step explanation:

Given that

blood phenotypes in a particular population

A=0.48

B=0.13

AB=0.03

O=0.36

As we know that when A and B both are independent that

P(A and B)= P(A) X P(B)

The probability that both phenotypes O are in independent:

P(O and O)= P(O) X P(O)

P(O and O)= 0.36 X 0.36 =0.1296

P(O and O) =0.1296

The probability that the phenotypes of two randomly selected individuals match:

Here four case are possible

P=P(A and A)+P(B and B)+P(AB and AB)+P(O and O)

P=0.48 x 0.48 + 0.13 x 0.13 + 0.03 x 0.03 + 0.36 x 0.36

P=0.3778

7 0

2 years ago

Write an explicit formula for an, the nth term of the sequence 19,24,29

o-na [289]

Answer:

explicit formula for an, the nth term of the sequence 19,24,29

$a_1=19 ; \ a_n=a_{n-1}+5$

Step-by-step explanation:

We need to Write an explicit formula for an, the nth term of the sequence 19,24,29

In the sequence the First term a₁= 19

Common Difference d= 5

The Formula used for explicit formula is: $a_1=First \ term ; \ a_n=a_{n-1}+d$

Where d is common difference and n is nth term of sequence.

So, explicit formula for an, the nth term of the sequence 19,24,29

$a_1=19 ; \ a_n=a_{n-1}+5$

3 0

2 years ago

Help me, practice questions.

ioda

None of them match the answer is really (-2,2), (-4,2), and (-2,8).

8 0

2 years ago